Business Segments - (Information by Segment) (Details) - USD ($) |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2016 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Segment Reporting Information [Line Items] | |||||||||||
| Net sales | $ 246,740,000 | $ 268,145,000 | $ 275,037,000 | $ 257,552,000 | $ 283,265,000 | $ 283,776,000 | $ 286,273,000 | $ 289,024,000 | $ 1,047,474,000 | $ 1,142,338,000 | $ 1,270,163,000 |
| Depreciation and amortization | 14,635,000 | 18,204,000 | 30,941,000 | ||||||||
| Net interest expense (income) | 15,610,000 | 3,971,000 | 4,380,000 | ||||||||
| Operating Income (Loss) | (15,215,000) | (7,769,000) | (58,830,000) | ||||||||
| Restructuring Charges, Net of Inventory Adjustments | (2,447,000) | (1,971,000) | (11,112,000) | ||||||||
| Gain on sale of business (pre-tax) | (7,386,000) | 7,386,000 | 24,000 | 0 | |||||||
| Asset write-downs to intangible assets | 0 | 0 | (13,041,000) | ||||||||
| Loss (gain) on Convertible Debt Derivatives | (1,014,000) | $ (1,192,000) | $ (486,000) | $ (604,000) | 1,268,000 | 0 | 0 | ||||
| Interest Revenue (Expense), Net | (15,610,000) | (3,971,000) | (4,380,000) | ||||||||
| Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest | (29,557,000) | (11,740,000) | (63,210,000) | ||||||||
| Assets | 903,743,000 | 838,143,000 | 903,743,000 | 838,143,000 | 963,731,000 | ||||||
| Long-lived assets | 494,671,000 | 475,844,000 | 494,671,000 | 475,844,000 | 557,744,000 | ||||||
| Expenditures for assets | 10,151,000 | 7,522,000 | 12,327,000 | ||||||||
| North America/HME | |||||||||||
| Segment Reporting Information [Line Items] | |||||||||||
| Depreciation and amortization | 5,932,000 | 7,549,000 | 9,077,000 | ||||||||
| Net interest expense (income) | 15,119,000 | 3,305,000 | 2,196,000 | ||||||||
| Operating Income (Loss) | (37,748,000) | (29,245,000) | (59,124,000) | ||||||||
| Assets | 261,538,000 | 203,851,000 | 261,538,000 | 203,851,000 | 209,122,000 | ||||||
| Long-lived assets | 70,553,000 | 49,141,000 | 70,553,000 | 49,141,000 | 44,727,000 | ||||||
| Expenditures for assets | 3,398,000 | 1,232,000 | 2,960,000 | ||||||||
| Institutional Products Group | |||||||||||
| Segment Reporting Information [Line Items] | |||||||||||
| Depreciation and amortization | 254,000 | 1,980,000 | 7,656,000 | ||||||||
| Net interest expense (income) | 191,000 | 1,028,000 | 2,244,000 | ||||||||
| Operating Income (Loss) | 5,693,000 | 7,834,000 | 6,248,000 | ||||||||
| Assets | 38,657,000 | 38,730,000 | 38,657,000 | 38,730,000 | 42,692,000 | ||||||
| Long-lived assets | 30,603,000 | 30,278,000 | 30,603,000 | 30,278,000 | 33,487,000 | ||||||
| Expenditures for assets | 58,000 | 212,000 | 1,232,000 | ||||||||
| Europe | |||||||||||
| Segment Reporting Information [Line Items] | |||||||||||
| Depreciation and amortization | 7,062,000 | 7,183,000 | 11,111,000 | ||||||||
| Net interest expense (income) | 197,000 | (444,000) | (209,000) | ||||||||
| Operating Income (Loss) | 33,994,000 | 39,794,000 | 50,169,000 | ||||||||
| Assets | 575,981,000 | 557,740,000 | 575,981,000 | 557,740,000 | 638,896,000 | ||||||
| Long-lived assets | 388,724,000 | 391,533,000 | 388,724,000 | 391,533,000 | 459,957,000 | ||||||
| Expenditures for assets | 5,580,000 | 5,058,000 | 6,708,000 | ||||||||
| Asia/Pacific | |||||||||||
| Segment Reporting Information [Line Items] | |||||||||||
| Depreciation and amortization | 1,349,000 | 1,463,000 | 2,406,000 | ||||||||
| Net interest expense (income) | 103,000 | 82,000 | 149,000 | ||||||||
| Operating Income (Loss) | (1,436,000) | (3,493,000) | (7,463,000) | ||||||||
| Assets | 25,703,000 | 24,421,000 | 25,703,000 | 24,421,000 | 30,231,000 | ||||||
| Long-lived assets | 2,927,000 | 3,140,000 | 2,927,000 | 3,140,000 | 4,046,000 | ||||||
| Expenditures for assets | 1,115,000 | 969,000 | 1,417,000 | ||||||||
| All Other | |||||||||||
| Segment Reporting Information [Line Items] | |||||||||||
| Depreciation and amortization | 38,000 | 29,000 | 173,000 | ||||||||
| Operating Income (Loss) | (20,657,000) | (20,712,000) | (24,507,000) | ||||||||
| Assets | 1,864,000 | 1,752,000 | 1,864,000 | 1,752,000 | 15,647,000 | ||||||
| Long-lived assets | 1,864,000 | 1,752,000 | 1,864,000 | 1,752,000 | 15,527,000 | ||||||
| Expenditures for assets | 0 | 51,000 | 0 | ||||||||
| Discontinued Operations | |||||||||||
| Segment Reporting Information [Line Items] | |||||||||||
| Depreciation and amortization | 0 | 0 | 518,000 | ||||||||
| Assets | $ 0 | $ 11,649,000 | 0 | 11,649,000 | 27,143,000 | ||||||
| Expenditures for assets | 0 | 0 | 10,000 | ||||||||
| Operating Segments | North America/HME | |||||||||||
| Segment Reporting Information [Line Items] | |||||||||||
| Net sales | 397,702,000 | 474,196,000 | 507,867,000 | ||||||||
| Operating Segments | Institutional Products Group | |||||||||||
| Segment Reporting Information [Line Items] | |||||||||||
| Net sales | 64,413,000 | 87,137,000 | 102,796,000 | ||||||||
| Operating Segments | Europe | |||||||||||
| Segment Reporting Information [Line Items] | |||||||||||
| Net sales | 540,013,000 | 536,463,000 | 610,555,000 | ||||||||
| Operating Segments | Asia/Pacific | |||||||||||
| Segment Reporting Information [Line Items] | |||||||||||
| Net sales | 45,346,000 | 44,542,000 | 48,945,000 | ||||||||
| Intersegment Eliminations | |||||||||||
| Segment Reporting Information [Line Items] | |||||||||||
| Net sales | 133,183,000 | 142,937,000 | 126,069,000 | ||||||||
| Intersegment Eliminations | North America/HME | |||||||||||
| Segment Reporting Information [Line Items] | |||||||||||
| Net sales | 100,793,000 | 111,321,000 | 84,247,000 | ||||||||
| Intersegment Eliminations | Institutional Products Group | |||||||||||
| Segment Reporting Information [Line Items] | |||||||||||
| Net sales | 2,885,000 | 997,000 | 6,711,000 | ||||||||
| Intersegment Eliminations | Europe | |||||||||||
| Segment Reporting Information [Line Items] | |||||||||||
| Net sales | 10,139,000 | 9,958,000 | 8,938,000 | ||||||||
| Intersegment Eliminations | Asia/Pacific | |||||||||||
| Segment Reporting Information [Line Items] | |||||||||||
| Net sales | $ 19,366,000 | $ 20,661,000 | $ 26,173,000 | ||||||||